package main

import (
	"bufio"
	"fmt"
	"strings"
)

func main() {
	comment := "TEST"
	basicReader := strings.NewReader(comment)
	fmt.Println(basicReader.Size())
	reader1 := bufio.NewReader(basicReader)
	fmt.Println(reader1.Size())
	reader2 := bufio.NewReaderSize(basicReader, 128)
	fmt.Println(reader2.Size())
}
